Home / 304,085,309.63-419,984,148.08-206,130,104.51

Finding the Fourth Proportional to 304,085,309.63, 419,984,148.08 and 206,130,104.51

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Solution

The fourth proportional to 304,085,309.63, 419,984,148.08 and 206,130,104.51 is: 284,694,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,085,309.63 : 419,984,148.08 = 206,130,104.51 : x
  2. Step 2: Convert to fraction form
    304,085,309.63/419,984,148.08 = 206,130,104.51/x
  3. Step 3: Cross multiply
    304,085,309.63x = 419,984,148.08 × 206,130,104.51
  4. Step 4: Simplify right side
    304,085,309.63x = 86,571,376,334,689,120
  5. Step 5: Solve for x
    x = 86,571,376,334,689,120/304,085,309.63
  6. Step 6: Final answer
    x = 284,694,372.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.